@echo off
echo The file check will start in 120 seconds, Please do not close this command line window! 

echo Wscript.Sleep Wscript.Arguments(0) * 1000>Delay.vbs 
Delay.vbs 5
cls
File_modification_alert.pl
Delay.vbs 5
cls
echo File checking is finished, will close in 5 seconds. Thanks for your cooperation!   :)
echo BRs
echo Ken
Delay.vbs 5